3. Electrical Installation
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3
3.2 Main Circuit Wiring
3.2.1 Main Circuit Terminals
Ƶ
Terminal Arrangement
MD29018.5G/22P to MD29037G/45P
MD290T45G/55P to MD290132G/160P
R S
POWER
T
BR
(+)
(-)
V
U
W
MOTOR
MD290T200G
to
MD290T450G and MD290T220P
to
MD290T500P
U
V
W
Ƶ
Terminal Function
Table 3-1 Description of input and output connections of the drive
Terminal Name Description
R, S, T Three-phase supply input Connected to three-phase power supply.
(+), (-) DC bus terminals Connected to external braking unit (MDBUN) with
AC drive units of 90 kW and above.
(+), BR Braking resistor
connection
Connected to external braking resistor for AC drive
units of 75 kW and below.
U, V, W AC drive outputs Connected to a three-phase motor.
Ground (PE) Grounding connection.
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